package com.rongji.cms.tools.common.config;

import cn.hippo4j.core.executor.DynamicThreadPool;
import cn.hippo4j.core.executor.support.ThreadPoolBuilder;
import com.rongji.cms.tools.common.config.properties.ThreadPoolProperties;
import com.rongji.cms.tools.common.utils.ThreadUtils;
import org.apache.commons.lang3.concurrent.BasicThreadFactory;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;

import javax.annotation.Resource;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.ScheduledThreadPoolExecutor;
import java.util.concurrent.ThreadPoolExecutor;

/**
 * 线程池配置
 *
 * @author Lion Li
 **/
@Configuration
public class ThreadPoolConfig {

    /**
     * 核心线程数 = cpu 核心数 + 1
     */
    private final int core = Runtime.getRuntime().availableProcessors() + 1;

    @Resource
    private ThreadPoolProperties threadPoolProperties;

    @Bean(name = "threadPoolTaskExecutor")
    @ConditionalOnProperty(prefix = "thread-pool", name = "enabled", havingValue = "true")
    public ThreadPoolTaskExecutor threadPoolTaskExecutor() {
        ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor();
        executor.setCorePoolSize(core);
        executor.setMaxPoolSize(core * 2);
        executor.setQueueCapacity(threadPoolProperties.getQueueCapacity());
        executor.setKeepAliveSeconds(threadPoolProperties.getKeepAliveSeconds());
        executor.setRejectedExecutionHandler(new ThreadPoolExecutor.CallerRunsPolicy());
        executor.setThreadNamePrefix("cmsServer-global-thread-");
        return executor;
    }


    /**
     * 执行周期性或定时任务
     */
    @Bean(name = "scheduledExecutorService")
    protected ScheduledExecutorService scheduledExecutorService() {
        return new ScheduledThreadPoolExecutor(core,
                new BasicThreadFactory.Builder().namingPattern("schedule-pool-%d").daemon(true).build(),
                new ThreadPoolExecutor.CallerRunsPolicy()) {
            @Override
            protected void afterExecute(Runnable r, Throwable t) {
                super.afterExecute(r, t);
                ThreadUtils.printException(r, t);
            }
        };
    }

    @Bean
    @DynamicThreadPool
    public ThreadPoolExecutor testDynamicExecutor() {
        String threadPoolId = "test-thread";
        ThreadPoolExecutor dynamicExecutor = ThreadPoolBuilder.builder()
                .threadFactory(threadPoolId)
                .threadPoolId(threadPoolId)
//                基础的参数配置，如果server有问题还可以用默认的基础参数
                .corePoolSize(core)
                .maxPoolNum(core*2)
                .dynamicPool()
                .build();
        return dynamicExecutor;
    }

    @Bean
    @DynamicThreadPool
    public ThreadPoolExecutor messageConsumeDynamicExecutor() {
        String threadPoolId = "tools-message-consume";
        ThreadPoolExecutor messageConsumeDynamicExecutor = ThreadPoolBuilder.builder()
                .threadFactory(threadPoolId)
                .threadPoolId(threadPoolId)
                .corePoolSize(core)
                .maxPoolNum(core*2)
                .dynamicPool()
                .build();
        return messageConsumeDynamicExecutor;
    }

    @Bean
    @DynamicThreadPool
    public ThreadPoolExecutor messageProduceDynamicExecutor() {
        String threadPoolId = "tools-message-produce";
        ThreadPoolExecutor messageProduceDynamicExecutor = ThreadPoolBuilder.builder()
                .threadFactory(threadPoolId)
                .threadPoolId(threadPoolId)
                .corePoolSize(core)
                .maxPoolNum(core*2)
                .dynamicPool()
                .build();
        return messageProduceDynamicExecutor;
    }

}
